GMC: 2014: Sierra 2500 HD WT, 4D Pickup Crew Cab, 6.6L Eng VIN 8, 4WD, Trans Mfr CD 6L90-E/MYD

This is a LEMON manual, retrieved in 2025.

• Repair and Diagnosis
• Repair and Diagnosis, all links on one page (may load slowly, but easier to search)
• Labor Times
• Download .zip for offline use